RJ-45 connector pin assignments
27
Nortel Ethernet Routing Switch 4548GT-PWR
The following table describes the RJ-45 connector pin assignments in the
Nortel Ethernet Routing Switch 4548GT-PWR.
4548GT-PWR RJ-45 connector pin assignments
Connector
Pin Number
Signal
Description
1
RX+/power+
Receive Data+/power+
2
RX–/power+
Receive Data–/power+
3
TX+/power–
Transmit Data+/power
–
4
Not applicable
Not applicable
5
Not applicable
Not applicable
6
TX-/power–
Transmit Data–/power
–
7
Not applicable
Not applicable
8
Not applicable
Not applicable
Note: The Nortel Ethernet Routing Switch 4548GT-PWR uses pins 1,
2, 3, and 6 for the purposes of Power over Ethernet (PoE).
Nortel Ethernet Routing Switch 4550-T
The following table describes the RJ-45 connector pin assignments in the
Nortel Ethernet Routing Switch 4550-T.
4550-T RJ-45 connector pin assignments
Connector
Pin Number
Signal for
10/100BaseT MDI
configuration
Signal for
10/100BaseT MDI-X
configuration
1
Output transmit data +
(TX+)
Input receive data +
(RX+)
2
Output transmit data –
(TX–)
Input receive data –
(RX–)
3
Input receive data +
(RX+)
Output transmit data
+ (TX+)
6
Input receive data –
(RX–)
Output transmit data
– (TX–)
4, 5, 7, 8
Not used
Not used
Pin Number
Signal for 1GBaseT
MDI configuration
Signal for 1GBaseT
MDI-X configuration
1
TP0+
TP1+
Nortel Ethernet Routing Switch 4500 Series
Installation Guide
NN47205-300
02.01
Standard
5.0
23 February 2007
Copyright © 2007, Nortel Networks
Nortel Networks Confidential
.
Summary of Contents for 4500 Series
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